Statistical concepts of anova-samples

Assignment Help Basic Statistics
Reference no: EM1398266

Why is the F-distribution important? How do you determine if a significant difference exists among the groups in ANOVA? How do you determine differences between the groups in ANOVA? Provide an ANOVA example using either a personal or professional experience.

What is an independent sample and what is a related sample? When should researchers use varying hypothesis tests for the different types of samples? Is one sample more appropriate to use than the other? Give an example of independent and related sample that can be used in your organization.

Why would you use the chi-square statistic? What type of data is used with chi-square analysis? Provide an explanation of a chi-square test of homogeneity and a chi-square test of independence.

When is a regression equation used? What terms describe the fit of a regression equation to the data? What is the importance of the coefficient of determination (r2)?

Reference no: EM1398266

Questions Cloud

Estimate the ratio of normal to potato leaved plants : A cross ia made in tomatoes between a female plant from a pure line that is trisomic for chromosome 6 and a normal diploid male plant that is homozygous for the recessive allele for potato leaf (pp).
Monte carlo simulation-sensitivity analysis : A decision maker is working on a problem that requires her to study the uncertainty surrounding the payoff of an investment. There are three possible levels of payoff -$1,000, $5,000, and $10,000.
Confidence interval estimate of mean number migraine attacks : Construct the 95% confidence interval estimate of the mean number of migraine attacks for those treated with acupuncture.
In what other ways can chromatin be remodeled : What different types of enzymes are used to modify histones, and how do these enzymatic modifications lead to chromatin remodeling?
Statistical concepts of anova-samples : What is an independent sample and what is a related sample? When should researchers use varying hypothesis tests for the different types of samples?
Find expected height of plant that homozygous for 1 alleles : Three pairs of genes with two alleles each (A1 and A2 , B1 and B2 , and C1 and C2 ) control the height of a plant. Suppose that the 1 allele is dominant in each case and the 2 allele is recessive.
What is the name for the spores at the end of hyphae : what is the name for the spores at the end of hyphae.
Probability that a receptor is occupied by a ligand : Derive the probability that a receptor is occupied by a ligand using a model which treats the L ligands in solution as distinguishable particles.
Regression analysis-gnp case : Examine relationship between GNP per capita and the percentage of respondents willing to pay more taxes. Create a table using the data below for the GNP per capita and the percentage willing to pay higher taxes.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Rank correlation for car fuel consumption

Listed below are the highway fuel consumption amounts (in mi/gal) from cars in three different categories. Use a 0.05 signifiacance level to test the claim that the different car categories have the same median highway fuel consumption.

  Least square regression and coefficient of determination

Below are revenue and profit (both in $ billions) for nine large entertainment companies.

  Preference of an anova over a t-test

Comment on your statistical findings? Do you agree with your initial statement regarding the preference of an ANOVA over a t-test when examining more than two groups?

  Information about covariance and correlation

Absolutely lost on how to determine what is being asked in below problem. Need to calculate the covariance and correlation between X and Y

  Difference in standard error

You've two separate sets of data. From one set you calculate the standard error to be 500. From the other set, the standard error was 5.

  Evaluating true population mean using confidence interval

Based on the data, determine the 95 percent confidence interval evaluate for true population mean?

  What is the probability that a student would complete

Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time.

  Give the formula for test statistic and p-type one error

a. What is the probability of a type I error? b. Give the formula for the test statistic.

  Binomial approximation to normal finding the normal model

Utlizing binomial approximation to normal finding the normal model. A grower claims that only 13 percent of the strawberries he grows are unsatisfactory.

  A arbitrary sample of students is selecte

A arbitrary sample of 8 students is selected. Illucidate the probability that among the students in the sample at least 7 are female.

  Differences between hypotheses testing methods

Can you describe in detail the differences in ANOVA and the five-step hypothesis testing method?

  Probability that current player does not reach semifinals

Also suppose that the probability that the current player does not reach the semifanals of the tournament is 0.58 and that there is a 0.71 probability that jill is ranked next weekon the WTA circuit. What is the probability that the current player..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd